﻿<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <link type="text/css" href="/Sytle/base.css" rel="stylesheet" />
    <link type="text/css" href="/Sytle/common.css" rel="stylesheet" />
    <style type="text/css">
        .mask { background: #000; filter: alpha(opacity=50); /* IE的透明度 */ opacity: 0.5; /* 透明度 */ position: absolute; top: 0px; left: 0px; width: 100%; height: 100%; z-index: 100; /* 此处的图层要大于页面 */}
    </style>
</head>
<body>

    <div class="mask">
        <div></div>
    </div>
    <script type="text/javascript" src="/Scripts/jquery-1.8.3.js"></script>
</body>

</html>
